Notched; indented; scalloped.In entomology, having indentations, not sufficient to be called teeth, the exterior outline of which is rounded: said of a margin.In fortification, same as crenelated. See also crenelle.Also crenated.n. A zigzag or tooth-shaped work, or notch, in a wall or line of fortifications; a crenelle.n. A salt of crenic acid.